Which president was the shortest, at about 5 feet 4 inches?

Which president was the only one elected unanimously by the Electoral College? Which president was the only one who never married? Which president married in the White House during his term? Which president was the tallest, at 6 feet 4 inches? Which president was the first born a U.S. citizen, after independence? Which president later served as Chief Justice of the United States? Which president was the son of the second president? Which president was the grandson of the ninth president?